diff --git a/cinder/volume/drivers/dell_emc/powermax/masking.py b/cinder/volume/drivers/dell_emc/powermax/masking.py
index a23df8c4cd7..54b86b96f08 100644
--- a/cinder/volume/drivers/dell_emc/powermax/masking.py
+++ b/cinder/volume/drivers/dell_emc/powermax/masking.py
@@ -665,8 +665,7 @@ class PowerMaxMasking(object):
             return
 
         @coordination.synchronized(
-            "emc-sg-{source_storage_group_name}-{serial_number}")
-        @coordination.synchronized(
+            "emc-sg-{source_storage_group_name}-{serial_number}",
             "emc-sg-{target_storage_group_name}-{serial_number}")
         def do_move_volume_between_storage_groups(
                 serial_number, source_storage_group_name,
diff --git a/releasenotes/notes/powermax-deadlock-5fdcacb63ca87159.yaml b/releasenotes/notes/powermax-deadlock-5fdcacb63ca87159.yaml
new file mode 100644
index 00000000000..718712b8676
--- /dev/null
+++ b/releasenotes/notes/powermax-deadlock-5fdcacb63ca87159.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Dell EMC PowerMax driver `bug #1980870
+    <https://bugs.launchpad.net/cinder/+bug/1980870>`_: Fixed potential
+    deadlock when moving volumes between Storage Groups.